var fDesc=new Array();
fDesc[0] = "This simple demo allows the user to experiment with a wide variety of 2-dimensional triangle groups. In the process the users gains a direct experience the three different standard planar metric geometries -- euclidean, elliptic, and hyperbolic. The left and right arrow keys cycle through the archetypal groups 236, 235 and 237, while a wider choice of groups is available under the "Groups" menu.";

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